Rothco Thin Green Line Flag. The Thin Green Line represents support of Federal Agents such as Border Patrol Park Rangers and military personnel. Specifications for Rothco Thin Green Line Flag: Manufacturer: Rothco Color: Black/White/Green Gender: Unisex Size: 3x5 ft Features of Rothco Thin Green Line Flag Material: Polyester Material Specs: Polyester Package Contents: Rothco Thin Green Line Flag Polyester The Rothco Thin Green Line Flag is a quality addition to the Rothco lineup. For more great deals on CampSaver eGift Certificates by Rothco please browse our Rothco Gifts page. Rothco Thin Green Line Flag 14457